package org.mikeliu.circle;

public class Circle {
	private double radius;
	public Circle(double radius)
	{
		this.radius=radius;
	}
	public double getCover()
	{
		return Math.PI*this.radius*this.radius;
	}
	public double getCircumference()
	{
		return 2*this.radius*Math.PI;
	}

}
